更新代码

framelesswidget/framelesswidget2.cpp

@@ -1,19 +1,28 @@
 #include "framelesswidget2.h"
+#include "qdatetime.h"
 #include "qevent.h"
 #include "qdebug.h"
+
 #ifdef Q_OS_WIN
 #include "windows.h"
+#pragma comment (lib,"user32.lib")
 #endif
 
+#define TIMEMS qPrintable(QTime::currentTime().toString("HH:mm:ss zzz"))
+
 FramelessWidget2::FramelessWidget2(QWidget *parent) : QWidget(parent)
 {
-    padding = 5;
+    padding = 8;
+    moveEnable = true;
+    resizeEnable = true;
+
+    //安装事件过滤器识别拖动
     this->installEventFilter(this);
 }
 
 bool FramelessWidget2::eventFilter(QObject *watched, QEvent *event)
 {
-    if (watched == this) {
+    if (watched == this && moveEnable) {
         static QPoint mousePoint;
         static bool mousePressed = false;
 
@@ -36,50 +45,91 @@ bool FramelessWidget2::eventFilter(QObject *watched, QEvent *event)
     return QWidget::eventFilter(watched, event);
 }
 
+#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
+bool FramelessWidget2::nativeEvent(const QByteArray &eventType, void *message, qintptr *result)
+#else
 bool FramelessWidget2::nativeEvent(const QByteArray &eventType, void *message, long *result)
+#endif
 {
+    if (eventType == "windows_generic_MSG") {
 #ifdef Q_OS_WIN
-    MSG *msg = (MSG *)message;
-    switch (msg->message) {
-        case WM_NCHITTEST: {
-            QPoint pos = mapFromGlobal(QPoint(LOWORD(msg->lParam), HIWORD(msg->lParam)));
+        MSG *msg = static_cast<MSG *>(message);
+        //qDebug() << TIMEMS << "nativeEvent" << msg->wParam << msg->message;
+
+        //不同的消息类型和参数进行不同的处理
+        if (msg->message == WM_NCCALCSIZE) {
+            *result = 0;
+            return true;
+        } else if (msg->message == WM_NCHITTEST) {
+            //计算鼠标对应的屏幕坐标
+            long x = LOWORD(msg->lParam);
+            long y = HIWORD(msg->lParam);
+            QPoint pos = mapFromGlobal(QPoint(x, y));
+
+            //判断当前鼠标位置在哪个区域
             bool left = pos.x() < padding;
             bool right = pos.x() > width() - padding;
             bool top = pos.y() < padding;
             bool bottom = pos.y() > height() - padding;
-            if (left && top) {
-                *result = HTTOPLEFT;
-            } else if (left && bottom) {
-                *result = HTBOTTOMLEFT;
-            } else if (right && top) {
-                *result = HTTOPRIGHT;
-            } else if (right && bottom) {
-                *result = HTBOTTOMRIGHT;
-            } else if (left) {
-                *result = HTLEFT;
-            } else if (right) {
-                *result = HTRIGHT;
-            } else if (top) {
-                *result = HTTOP;
-            } else if (bottom) {
-                *result = HTBOTTOM;
-            } else {
-                return false;
-            }
-            return true;
-        }
-        break;
-        default:
-            break;
-    }
-#endif
 
+            //鼠标移动到四个角,这个消息是当鼠标移动或者有鼠标键按下时候发出的
+            *result = 0;
+            if (resizeEnable) {
+                if (left && top) {
+                    *result = HTTOPLEFT;
+                } else if (left && bottom) {
+                    *result = HTBOTTOMLEFT;
+                } else if (right && top) {
+                    *result = HTTOPRIGHT;
+                } else if (right && bottom) {
+                    *result = HTBOTTOMRIGHT;
+                } else if (left) {
+                    *result = HTLEFT;
+                } else if (right) {
+                    *result = HTRIGHT;
+                } else if (top) {
+                    *result = HTTOP;
+                } else if (bottom) {
+                    *result = HTBOTTOM;
+                }
+            }
+
+            //先处理掉拉伸
+            if (0 != *result) {
+                return true;
+            }
+        }
+#endif
+    } else if (eventType == "NSEvent") {
+#ifdef Q_OS_MACOS
+#endif
+    } else if (eventType == "xcb_generic_event_t") {
+#ifdef Q_OS_LINUX
+#endif
+    }
     return false;
 }
 
+#if (QT_VERSION < QT_VERSION_CHECK(5,0,0))
 #ifdef Q_OS_WIN
 bool FramelessWidget2::winEvent(MSG *message, long *result)
 {
     return nativeEvent("windows_generic_MSG", message, result);
 }
 #endif
+#endif
+
+void FramelessWidget2::setPadding(int padding)
+{
+    this->padding = padding;
+}
+
+void FramelessWidget2::setMoveEnable(bool moveEnable)
+{
+    this->moveEnable = moveEnable;
+}
+
+void FramelessWidget2::setResizeEnable(bool resizeEnable)
+{
+    this->resizeEnable = resizeEnable;
+}